DUOLINE multi-bag filter housings are designed with two single bag filter housings fitted together at the inlet and outlet by a butterfly valve or ball valve. This increases flow capacity and allows the filtration process to run continuously even during filter bag change-outs.
Key DUOLINE bag filter applications:
For Continuous and High Flow Rate Applications
An integral valve linkage assembly is available for DUOLINE bag filter housings with butterfly valves that permits operation of the valves with a single handle.
DUOLINE bag filter housings are available in carbon steel or stainless steel for size 02 (double length) filter bags. End connections are either 2" or 3" flanged.
Models | No. of filter bags |
Size | Flow rate1 GPM (m3/h) |
Max. pressure psi (bar) |
Max. temp. ℉ (℃) |
Housing volume gal (l) |
Housing weight lb (kg) |
I/O connections |
F3AVTB0222 (TOPLINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 240 (109) | 2” |
B0F3AVTB0322 (TOPLINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 240 (109) | 2” |
F3AVSB00222 (SIDELINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 300 (134) | 2” |
F3AVSB00322 (SIDELINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 330 (149.7) | 2” |
F3AVFB00422 (FLOWLINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 200 (90.7) | 2” |
F3AVFB00442 (FLOWLINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 200 (90.7) | 2” |
F3AVFB00443 (FLOWLINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 200 (90.7) | 2” |
F3AVFB011073 (FLOWLINE) | 2 | 2 |
176 (40) | 150 (10) | 250 (160) | 16 (60.5) | 200 (90.7) | 2” |
1 Maximum theoretical flow based on water viscosity, filter bag specific. |